US Bridges

144th Avenue over I-25 Ml

Good

Adams County, Colorado · 144th Ave over I25 · Structure no. THN-144WAS-I25

Built
2007
18 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
271 ft
2 main spans
Daily traffic
25,355
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

144th Avenue over I-25 Ml is a prestressed concrete continuous stringer/multi-beam or girder carrying 144th Avenue over I-25 Ml in Adams County, Colorado. It was built in 2007, so it is 18 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25,355 vehicles a day, roughly 6% of them trucks, projected to reach 32,962 by 2041. The structure is 271 ft (82.6 m) long and 134 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries144th Avenue
CrossesI-25 Ml
Location144th Ave over I25
RouteCity Street 0
Coordinates39.95757, -104.98802
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.6 US tons
Inventory rating49.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length271 ft (82.6 m)
Longest span131 ft (39.8 m)
Deck width134 ft (40.7 m)
Roadway width109 ft (33.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,355 (2021)
Projected traffic32,962 by 2041
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 144th Avenue over I-25 Ml built?

It was built in 2007, making it 18 years old in 2025.

What condition is 144th Avenue over I-25 Ml in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does 144th Avenue over I-25 Ml carry?

About 25,355 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is 144th Avenue over I-25 Ml?

The structure is 271 ft (82.6 m) long with a longest span of 131 ft (39.8 m) and a deck 134 ft wide.

Who owns 144th Avenue over I-25 Ml?

It is owned by the City or Municipal Highway Agency.